---
# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2023 David Carter <dcarter@davidcarter.ca>              *
# *                                                                         *
# *   This program is free software; you can redistribute it and/or modify  *
# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
# *   as published by the Free Software Foundation; either version 2 of     *
# *   the License, or (at your option) any later version.                   *
# *   for detail see the LICENCE text file.                                 *
# *                                                                         *
# *   This program is distributed in the hope that it will be useful,       *
# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
# *   GNU Library General Public License for more details.                  *
# *                                                                         *
# *   You should have received a copy of the GNU Library General Public     *
# *   License along with this program; if not, write to the Free Software   *
# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
# *   USA                                                                   *
# *                                                                         *
# ***************************************************************************

Model:
  Name: 'Linear Elastic'
  UUID: '7b561d1d-fb9b-44f6-9da9-56a4f74d7536'
  URL: 'https://en.wikipedia.org/wiki/Linear_elasticity'
  Description: >
    Materials that are linearly elastic obey Hooke's law i.e. the stress and
    strain relationship is linear
  DOI: "10.1016/j.ijplas.2004.06.004"
  Inherits:
    - Density:
      UUID: '454661e5-265b-4320-8e6f-fcf6223ac3af'
    - IsotropicLinearElastic:
      UUID: 'f6f9e48c-b116-4e82-ad7f-3659a9219c50'
  AngleOfFriction:
    DisplayName: "Angle Of Friction"
    Type: 'Quantity'
    Units: 'deg'
    URL: 'https://en.wikipedia.org/wiki/Friction#Angle_of_friction'
    Description: >
      Further information can be found at
      https://en.wikipedia.org/wiki/Mohr%E2%80%93Coulomb_theory
  CompressiveStrength:
    DisplayName: "Compressive Strength"
    Type: 'Quantity'
    Units: 'kPa'
    URL: 'https://en.wikipedia.org/wiki/Compressive_strength'
    Description: "Compressive strength in [FreeCAD Pressure unit]"
  FractureToughness:
    DisplayName: "Fracture Toughness"
    Type: 'Float'
    Units: ''
    URL: 'https://en.wikipedia.org/wiki/Fracture_toughness'
    Description: >
      Unit MPa * m^0.5 is not possible ATM in FreeCAD thus String. Keep in mind
      the unit is fixed MPa * m^0.5.
      https://github.com/FreeCAD/FreeCAD/pull/2156
  UltimateStrain:
    DisplayName: "Ultimate Strain"
    Type: 'Quantity'
    Units: 'kPa'
    URL: 'https://en.wikipedia.org/wiki/Deformation_(mechanics)'
    Description: " "
  UltimateTensileStrength:
    DisplayName: "Ultimate Tensile Strength"
    Type: 'Quantity'
    Units: 'kPa'
    URL: 'https://en.wikipedia.org/wiki/Ultimate_tensile_strength'
    Description: "Ultimate tensile strength in [FreeCAD Pressure unit]"
  YieldStrength:
    DisplayName: "Yield Strength"
    Type: 'Quantity'
    Units: 'kPa'
    URL: 'https://en.wikipedia.org/wiki/Yield_Strength'
    Description: "Yield strength in [FreeCAD Pressure unit]"
  Stiffness:
    Type: 'Quantity'
    Units: 'N/m'
    URL: 'https://en.wikipedia.org/wiki/Stiffness'
    Description: "Stiffness (or Spring Stiffness) in [FreeCAD Stiffness unit]"
  Hardness:
    Type: 'Quantity'
    Units: ''
    URL: 'https://en.wikipedia.org/wiki/Mohs_scale'
    Description: "Hardness. FreeCAD does not currently support hardness units"
